An improved perturbation procedure is used for analysing the radiation characteristics of the millimeter wave dielectric leaky wave grating antenna.
本文用改进的微扰法分析了毫米波介质栅漏波天线的辐射特性。
A theoretical equation of surface wave grating diffraction on liquid metal surface is established based on hydrodynamic equations and grating diffraction principle.
以流体动力学方程和光栅衍射原理为基础,得到了研究液态金属表面特性的理论方程序。
In this paper the general theory and some experimental results of the electromagnetic surface wave excited by the holographic grating are described.
本文研究了应用全息光栅激励电磁表面波的一般理论与一些实验研究的结果。
The diffraction characteristics of the phase mask for UV-written fiber grating is investigated using rigorous coupled-wave theory.
本文利用严格耦合波理论对用于光纤光栅制作的相位掩模的衍射特性进行了深入的研究。
The real-time storage is obtained in the organic dye BDN solution in toluene by doublet degenerate four wave mixing induced thermal refractive index grating.
本文利用二重简并四波混频感生折射率光栅,实现了光信息在有机染料BDN溶液中的实时存储。
The rigorous coupled-wave theory is used to analyze the characteristics of grating diffraction, and the results indicate that this method produces no phase distortion.
运用严格的光栅衍射耦合波理论分析光栅的衍射特性,发现该方案不会引入相位畸变。
Using the method of rigorous coupled-wave theory to compute the diffraction efficiency of a grating, the program for calculating diffraction efficiency for both te and TM polarization is made.
通过利用严格的耦合波理论计算光栅衍射效率的方法,分别编制出了计算te波和TM波的衍射效率程序。
First, the properties of volume holographic grating, such as diffraction efficiencies, Angle and wavelength selectivity, have been theoretically analyzed by using the couple-wave theory.
首先应用耦合波理论对体全息光栅的衍射效率以及角度选择性和波长选择性等衍射特性进行了分析。
And, using the planar hologram diffraction theory, the coupled wave equations of the volumetric hologram grating diffraction have been derived and the diffraction efficiencies obtained.
将体全息光栅视为许多平面全息光栅的集合,利用平面全息衍射理论导出体全息光栅衍射的耦合波方程,并得到其衍射效。
Amazingly enough, a beam of electrons had thus been diffracted in a manner completely analogous to a light wave bouncing off a reflection grating.
一束电子波衍射的方式,同光波从一个反射光栅上弹回的方式完全类似,这真是不可思议。
In addition, different metals were simulated to generate a lower reflectivity of TM wave, so as to give further discussion on the improvement and applications of such grating.
此外,还比较了不同金属材料光栅的TM波近红外透射特性,探讨了改善其性能的途径。
The general expression for the pupil wave aberration of concentric grating spectrometers is discussed in detail in this paper.
详细讨论了光栅同心光谱仪的波像差表达式。
Abstract : As one of the important technical specifications of diffraction grating, diffraction wave front aberration directly affects the grating resolution.
摘要 :波前像差是衍射光栅的重要技术指标, 它直接影响光栅的分辨率。
As one of the important technical specifications of diffraction grating, diffraction wave front aberration directly affects the grating resolution.
波前像差是衍射光栅的重要技术指标,它直接影响光栅的分辨率。
When guided mode resonance occurs, the incident wave parameters and grating parameters are very sensitive. It has a narrow-band effect and can be used to fabricate narrow-band filters.
导模共振对入射波参数和光栅参数极为敏感,具有窄带效应,可用来制作窄带滤波片。
Microcomputcrs automatically control infrared grating monochrometer through interface circuit, and make a precise measurement of zero dispersion wave length for optical fibre material.
微机通过接口电路自动控制红外光栅单色仪,对光纤材料进行零色散波长的精确测量。
The effects of grating structure parameters and incidence wave parameter on diffraction efficiency are investigated . The loss of grating is also given.
文中讨论了光栅结构参数,入射波参数对衍射效率的影响以及金属光栅的损耗。
The key problem of FBG sensor study is the optical fiber diffraction grating signal demodulation, namely, the detection of small shifting of wave length.
研究光纤光栅传感器的关键问题是光纤光栅的信号解调,即波长微小移位的检测问题。
Based on the rigorous coupled wave electromagnetic fields analysis method, the blazed grating diffraction characteristic was researched.
介绍了严格的耦合波理论分析闪耀光栅衍射特性的方法。
The diffractive efficiency of the grating is computed by using rigorous coupled-wave analysis (RCWA). The property of polarization of the grating is also discussed.
采用严格耦合波分析(RCWA)理论计算了这种一维深亚波长光栅的衍射效率,分析了它的偏振特性。
The characteristics of diffraction grating of oblique incidence light wave are analysed theoretically and verified in experiments.
本文分析了斜射光波的光栅衍射特点,并在实验中得以验证。
Optical fibre grating utilize photosensitive characteristic to form the space phase grating in the core, it can change the transmission route of the light wave in the light-transmitting fibre.
光纤光栅是利用光纤材料的光敏性,在纤芯内形成空间相位光栅,它可以改变光波在光导纤维中的传输路径。
The mass sensitivity of the surface transverse wave (STW) biosensor effected by the material and thickness of the grating was analyzed.
分析了延迟线型表面横波(STW)生物传感器的灵敏度与栅阵材料、厚度的关系。
The authors show that using the half-wave strip method to deduce the bright and dark fringe conditions of Fraunhofer grating diffraction is simpler than the amplitude vector method.
本文用半波带法对夫琅禾费光栅衍射进行分析该方法和常用的振幅矢量法相比,分析衍射条纹的位置更要快捷,明了。
When a volume holographic grating is readout under off-Bragg condition, determining the direction of the diffracted beam is an important issue in the coupled-wave theory of volume gratings.
体全息光栅的读出偏离布拉格条件时,衍射光方向的确定是体光栅耦合波理论中的一个重要问题。
The degenerate four-wave mixing process due to thermal phase grating in nematic liquid crystals is studied.
本文研究了向列相液晶中热致相位光栅产生的简并四波混频过程。
Material equations and coupled wave equations are jointly solved to get the coupling coefficient and phase shift of light pattern during the dynamic procedure of photorefractive grating formation.
通过将物质方程与耦合波方程联立数值求解, 可得到光折变光栅形成过程中两波耦合增益系数以及光束条纹相位的变化。
When wave length scanning is carried out, three output white light interference spectrums of the interferometer and a transmission spectrum of the etalon and the fiber grating are probed.
扫描波长时,探测干涉仪的三路输出白光干涉光谱,以及标准具和光纤光栅的透射谱。
Degenerate four-wave mixing effect due to thermally induced index grating is studied in liquid crystal MBBA.
本文中探讨了MBBA液晶中,由热致位相光栅产生的简并四波混频效应。
Degenerate four-wave mixing effect due to thermally induced index grating is studied in liquid crystal MBBA.
本文中探讨了MBBA液晶中,由热致位相光栅产生的简并四波混频效应。
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